Use released image tag for hostpath deployment

Signed-off-by: Prasad Ghangal <prasad.ghangal@gmail.com>

Author: PrasadG193

deploy/kubernetes-1.27/hostpath/csi-hostpath-plugin.yaml

@@ -237,8 +237,7 @@ spec:
       serviceAccountName: csi-hostpathplugin-sa
       containers:
         - name: hostpath
-          # TODO: Set release tag after new release is made with SnapshotMetadata support
-          image: gcr.io/k8s-staging-sig-storage/hostpathplugin:canary
+          image: registry.k8s.io/sig-storage/hostpathplugin:v1.15.0
           args:
             - "--drivername=hostpath.csi.k8s.io"
             - "--v=5"

docs/example-snapshot-metadata.md

@@ -19,7 +19,7 @@ Follow the steps below to deploy CSI Hostpath driver with SnapshotMetadata servi
   b. Execute deploy script to setup hostpath plugin driver with external-snapshot-metadata change
 
   ```
-  $ SNAPSHOT_METADATA_TESTS=true ./deploy/kubernetes-1.27/deploy.sh
+  $ SNAPSHOT_METADATA_TESTS=true HOSTPATHPLUGIN_REGISTRY=gcr.io/k8s-staging-sig-storage HOSTPATHPLUGIN_TAG=canary ./deploy/kubernetes-1.27/deploy.sh
   ```
 
 ### Setup SnapshotMetadata client